147 lines
4.8 KiB
Python
147 lines
4.8 KiB
Python
# Copyright 2014 Cloudbase Solutions Srl
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
|
|
import json
|
|
import posixpath
|
|
|
|
from oslo.config import cfg
|
|
|
|
from cloudbaseinit.metadata.services import base
|
|
from cloudbaseinit.openstack.common import log as logging
|
|
from cloudbaseinit.utils import debiface
|
|
from cloudbaseinit.utils import encoding
|
|
from cloudbaseinit.utils import x509constants
|
|
|
|
|
|
opts = [
|
|
cfg.StrOpt('metadata_base_url', default='http://169.254.169.254/',
|
|
help='The base URL where the service looks for metadata'),
|
|
]
|
|
|
|
CONF = cfg.CONF
|
|
CONF.register_opts(opts)
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
class BaseOpenStackService(base.BaseMetadataService):
|
|
|
|
def get_content(self, name):
|
|
path = posixpath.normpath(
|
|
posixpath.join('openstack', 'content', name))
|
|
return self._get_cache_data(path)
|
|
|
|
def get_user_data(self):
|
|
path = posixpath.normpath(
|
|
posixpath.join('openstack', 'latest', 'user_data'))
|
|
return self._get_cache_data(path)
|
|
|
|
def _get_meta_data(self, version='latest'):
|
|
path = posixpath.normpath(
|
|
posixpath.join('openstack', version, 'meta_data.json'))
|
|
data = self._get_cache_data(path)
|
|
if data:
|
|
return json.loads(encoding.get_as_string(data))
|
|
|
|
def get_instance_id(self):
|
|
return self._get_meta_data().get('uuid')
|
|
|
|
def get_host_name(self):
|
|
return self._get_meta_data().get('hostname')
|
|
|
|
def get_public_keys(self):
|
|
"""Get a list of all unique public keys found among the metadata."""
|
|
public_keys = []
|
|
meta_data = self._get_meta_data()
|
|
public_keys_dict = meta_data.get("public_keys")
|
|
if public_keys_dict:
|
|
public_keys = list(public_keys_dict.values())
|
|
keys = meta_data.get("keys")
|
|
if keys:
|
|
for key_dict in keys:
|
|
if key_dict["type"] == "ssh":
|
|
public_keys.append(key_dict["data"])
|
|
return list(set((key.strip() for key in public_keys)))
|
|
|
|
def get_network_details(self):
|
|
network_config = self._get_meta_data().get('network_config')
|
|
if not network_config:
|
|
return None
|
|
key = "content_path"
|
|
if key not in network_config:
|
|
return None
|
|
|
|
content_name = network_config[key].rsplit("/", 1)[-1]
|
|
content = self.get_content(content_name)
|
|
content = encoding.get_as_string(content)
|
|
|
|
return debiface.parse(content)
|
|
|
|
def get_admin_password(self):
|
|
meta_data = self._get_meta_data()
|
|
meta = meta_data.get('meta')
|
|
|
|
if meta and 'admin_pass' in meta:
|
|
password = meta['admin_pass']
|
|
elif 'admin_pass' in meta_data:
|
|
password = meta_data['admin_pass']
|
|
else:
|
|
password = None
|
|
|
|
return password
|
|
|
|
def get_client_auth_certs(self):
|
|
"""Gather all unique certificates found among the metadata.
|
|
|
|
If there are no certificates under "meta" or "keys" field,
|
|
then try looking into user-data for this kind of information.
|
|
"""
|
|
certs = []
|
|
meta_data = self._get_meta_data()
|
|
|
|
meta = meta_data.get("meta")
|
|
if meta:
|
|
cert_data_list = []
|
|
idx = 0
|
|
while True:
|
|
# Chunking is necessary as metadata items can be
|
|
# max. 255 chars long.
|
|
cert_chunk = meta.get("admin_cert%d" % idx)
|
|
if not cert_chunk:
|
|
break
|
|
cert_data_list.append(cert_chunk)
|
|
idx += 1
|
|
if cert_data_list:
|
|
# It's a list of strings for sure.
|
|
certs.append("".join(cert_data_list))
|
|
|
|
keys = meta_data.get("keys")
|
|
if keys:
|
|
for key_dict in keys:
|
|
if key_dict["type"] == "x509":
|
|
certs.append(key_dict["data"])
|
|
|
|
if not certs:
|
|
# Look if the user_data contains a PEM certificate
|
|
try:
|
|
user_data = self.get_user_data()
|
|
if user_data.startswith(
|
|
x509constants.PEM_HEADER.encode()):
|
|
certs.append(user_data)
|
|
except base.NotExistingMetadataException:
|
|
LOG.debug("user_data metadata not present")
|
|
|
|
return list(set((cert.strip() for cert in certs)))
|